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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompca.jsp
July 01, 2010 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompga.jsp
December 01, 2016 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompks.jsp
October 01, 2018 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecomput.jsp
August 01, 2006 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompia.jsp
June 01, 2007 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Types of Facilities Included in the Files Provided to HCUP by the Partner
The IHA collects ED data
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompfl.jsp
August 01, 2006 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompmn.jsp
November 01, 2016 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompco.jsp
August 01, 2006 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompia.jsp
March 01, 2007 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompky.jsp
August 01, 2006 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Types of Facilities Included in the Files Provided to HCUP by the Partner
The Kentucky Cabinet for
-
hcup-us.ahrq.gov/db/ccr/ip-ccr/ip-ccr.jsp
April 01, 2025 - NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Files (CCR for Inpatient Files) are hospital-level files designed to supplement the data elements in … HCUP Cost-to-Charge Ratio for Emergency Department Files (CCR for ED Files) are also available. … Contents:
Overview of CCR for Inpatient Files
Description of the CCR for Inpatient Files
File
-
hcup-us.ahrq.gov/db/ccr/ed-ccr/ed-ccr_archive.jsp
November 01, 2024 - Cost-to-Charge Ratios for Emergency Department Files - Archive … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … -2020 (PDF file, 309 KB)
User Guide: Cost-to-Charge Ratio for Emergency Department Files, 2012-2019 … Citation: Archive for the Cost-to-Charge Ratios for Emergency Department Files.
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hcup-us.ahrq.gov/db/state/siddist/siddist_filecompnd.jsp
August 01, 2025 - NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … The HCUP North Dakota inpatient files were constructed from hospital discharge files received … Types of Facilities Included in the Files Provided to HCUP by the Partner
The Minnesota Hospital
-
hcup-us.ahrq.gov/db/nation/nis/nistrends_filespecs.jsp
May 01, 2015 - 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - File Specifications … and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompnd.jsp
August 01, 2025 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompdc.jsp
May 01, 2024 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Types of Facilities Included in the Files Provided to HCUP by the Partner
DCHA provides HCUP with ED
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hcup-us.ahrq.gov/db/state/sedddist/sedddist_filecompsd.jsp
June 01, 2024 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Types of Facilities Included in the Files Provided to HCUP by the Partner
SDAHO collects emergency
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hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompdc.jsp
May 01, 2024 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompsd.jsp
June 01, 2024 - and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
HCUP Supplemental Files … NIS-Trend Weights Files
NIS Hospital Ownership Files
NIS 1993-2002 Discharge-Level Supplemental … Files
KID-Trend File
Cost-to-Charge Ratio (CCR) Files
Hospital Market Structure (HMS) Files … Supplemental Variables for Revisit Analyses
American Hospital Association (AHA) Linkage Files
AHRQ … Prior to 2010, records with a designation of "admitted as an inpatient" were excluded from the files.
-
hcup-us.ahrq.gov/db/ccr/ip-ccr/Inpatient_CCR_User_Guide_External_2001-2021.pdf
January 01, 2021 - (CCR Files) are hospital-level files that can be linked to HCUP inpatient databases to
facilitate the … The publicly available files are provided as comma-
separated value (CSV) text files, which use a comma … The AHA Linkage Files can be downloaded from the HCUP AHA Linkage
Files page on the HCUP User Support … for Inpatient Files. … files 4,099
2003 1,626 No separate files 4,216
2002 1,602 No separate files 4,063
2001 1,578